CVE-2022-50022: drivers:md:fix a potential use-after-free bug

Modified

AliasesUBUNTU-CVE-2022-50022DEBIAN-CVE-2022-50022

Published 18-06-2025Last modified 05-08-2026

Vulnerability summary

CVE-2022-50022 is a high (CVSS 7.8) Use After Free vulnerability in linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 17.5% of scored vulnerabilities.

Priority

Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?

CVSS score

7.8/10

010

High · v3.1 (CVE.org)

EPSS score

0.26%

0%100%

Low · +0.01 pp in 30 days

KEVNot listedNot listed by any tracked catalog.

RansomwareNot flaggedNo ransomware use recorded.

Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 16 · Related 7

RHSA-2023:2458 RHSA-2023:2951 RHSA-2025:12238 RHSA-2025:12623 RHSA-2025:13776 RHSA-2025:14054+10 more

Timeline

18-06-2025
PublishedVulnerability first disclosed.
05-08-2026
Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: drivers:md:fix a potential use-after-free bug In line 2884, "raid5_release_stripe(sh);" drops the reference to sh and may cause sh to be released. However, sh is subsequently used in lines 2886 "if (sh->batch_head && sh != sh->batch_head)". This may result in an use-after-free bug. It can be fixed by moving "raid5_release_stripe(sh);" to the bottom of the function.

CVSS metrics

5 scores · 4 sources · 2 versions

v4.07.3v3.17.8

EPSS trend

Probability

0.26%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.25% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs

CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

CWE-416Use After FreeThe product reuses or references memory after it has been freed. At some point afterward, the memory may be allocated again and saved in another pointer, while the original pointer references a location somewhere within the new allocation. Any operations using the original pointer are no longer valid because the memory "belongs" to the code that operates on the new pointer.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu111 products

linuxAll versions (No fix recorded) | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59
linux-allwinner-5.19All versions (No fix recorded)
linux-awsAll versions (No fix recorded) | < 4.15.0-1143.155 | < 5.4.0-1089.97 | < 5.15.0-1023.27
linux-aws-5.0All versions (No fix recorded)
linux-aws-5.11All versions (No fix recorded)

linux-aws-5.13All versions (No fix recorded)
linux-aws-5.15< 5.15.0-1023.27~20.04.1
linux-aws-5.19All versions (No fix recorded)
linux-aws-5.3All versions (No fix recorded)
linux-aws-5.4< 5.4.0-1089.97~18.04.1
linux-aws-5.8All versions (No fix recorded)
linux-aws-6.2All versions (No fix recorded)
linux-aws-6.5All versions (No fix recorded)
linux-aws-fips< 4.15.0-2082.88 | All versions (No fix recorded) | < 5.4.0-1089.97+fips1
linux-aws-hwe< 4.15.0-1143.155~16.04.1
linux-azure< 4.15.0-1157.172~14.04.2 | < 4.15.0-1159.174~16.04.1 | All versions (No fix recorded) | < 5.4.0-1095.101 | < 5.15.0-1023.29
linux-azure-4.15< 4.15.0-1157.172
linux-azure-5.11All versions (No fix recorded)
linux-azure-5.13All versions (No fix recorded)
linux-azure-5.15< 5.15.0-1023.29~20.04.1
linux-azure-5.19All versions (No fix recorded)
linux-azure-5.3All versions (No fix recorded)
linux-azure-5.4< 5.4.0-1095.101~18.04.1
linux-azure-5.8All versions (No fix recorded)
linux-azure-6.2All versions (No fix recorded)
linux-azure-6.5All versions (No fix recorded)
linux-azure-edgeAll versions (No fix recorded)
linux-azure-fdeAll versions (No fix recorded) | < 5.15.0-1024.30.1
linux-azure-fde-5.19All versions (No fix recorded)
linux-azure-fde-6.2All versions (No fix recorded)
linux-azure-fips< 4.15.0-2066.72 | All versions (No fix recorded) | < 5.4.0-1095.101+fips1
linux-bluefield< 5.4.0-1050.56
linux-fipsAll versions (No fix recorded) | < 4.15.0-1100.111 | < 5.4.0-1065.74
linux-gcp< 4.15.0-1138.154~16.04.1 | All versions (No fix recorded) | < 5.4.0-1093.102 | < 5.15.0-1022.29
linux-gcp-4.15< 4.15.0-1138.154
linux-gcp-5.11All versions (No fix recorded)
linux-gcp-5.13All versions (No fix recorded)
linux-gcp-5.15< 5.15.0-1022.29~20.04.1
linux-gcp-5.19All versions (No fix recorded)
linux-gcp-5.3All versions (No fix recorded)
linux-gcp-5.4< 5.4.0-1093.102~18.04.1
linux-gcp-5.8All versions (No fix recorded)
linux-gcp-6.2All versions (No fix recorded)
linux-gcp-6.5All versions (No fix recorded)
linux-gcp-fips< 4.15.0-2047.52 | All versions (No fix recorded) | < 5.4.0-1093.102+fips1
linux-gkeAll versions (No fix recorded) | < 5.15.0-1020.25
linux-gke-4.15All versions (No fix recorded)
linux-gke-5.15All versions (No fix recorded)
linux-gke-5.4All versions (No fix recorded)
linux-gkeopAll versions (No fix recorded) | < 5.15.0-1008.12
linux-gkeop-5.15All versions (No fix recorded)
linux-gkeop-5.4All versions (No fix recorded)
linux-hwe< 4.15.0-197.208~16.04.1 | All versions (No fix recorded)
linux-hwe-5.11All versions (No fix recorded)
linux-hwe-5.13All versions (No fix recorded)
linux-hwe-5.15< 5.15.0-53.59~20.04.1
linux-hwe-5.19All versions (No fix recorded)
linux-hwe-5.4< 5.4.0-132.148~18.04.1
linux-hwe-5.8All versions (No fix recorded)
linux-hwe-6.2All versions (No fix recorded)
linux-hwe-6.5All versions (No fix recorded)
linux-hwe-edgeAll versions (No fix recorded)
linux-ibm< 5.4.0-1037.42 | < 5.15.0-1018.21
linux-ibm-5.4< 5.4.0-1037.42~18.04.1
linux-intel-5.13All versions (No fix recorded)
linux-intel-iot-realtimeAll versions (No fix recorded)
linux-intel-iotg< 5.15.0-1018.23
linux-intel-iotg-5.15< 5.15.0-1018.23~20.04.1
linux-iot< 5.4.0-1006.8
linux-kvmAll versions (No fix recorded) | < 4.15.0-1129.134 | < 5.4.0-1079.85 | < 5.15.0-1021.26
linux-lowlatency< 5.15.0-53.59
linux-lowlatency-hwe-5.15< 5.15.0-53.59~20.04.1
linux-lowlatency-hwe-5.19All versions (No fix recorded)
linux-lowlatency-hwe-6.2All versions (No fix recorded)
linux-lowlatency-hwe-6.5All versions (No fix recorded)
linux-lts-xenialAll versions (No fix recorded)
linux-nvidia< 5.15.0-1015.15
linux-nvidia-6.2All versions (No fix recorded)
linux-nvidia-6.5All versions (No fix recorded)
linux-oemAll versions (No fix recorded)
linux-oem-5.10All versions (No fix recorded)
linux-oem-5.13All versions (No fix recorded)
linux-oem-5.14All versions (No fix recorded)
linux-oem-5.17All versions (No fix recorded)
linux-oem-5.6All versions (No fix recorded)
linux-oem-6.0All versions (No fix recorded)
linux-oem-6.1All versions (No fix recorded)
linux-oem-6.5All versions (No fix recorded)
linux-oracle< 4.15.0-1108.119~16.04.1 | < 4.15.0-1108.119 | < 5.4.0-1087.96 | < 5.15.0-1022.28
linux-oracle-5.0All versions (No fix recorded)
linux-oracle-5.11All versions (No fix recorded)
linux-oracle-5.13All versions (No fix recorded)
linux-oracle-5.15< 5.15.0-1022.28~20.04.1
linux-oracle-5.3All versions (No fix recorded)
linux-oracle-5.4< 5.4.0-1087.96~18.04.1
linux-oracle-5.8All versions (No fix recorded)
linux-oracle-6.5All versions (No fix recorded)
linux-raspi< 5.4.0-1074.85 | < 5.15.0-1018.20
linux-raspi-5.4< 5.4.0-1074.85~18.04.1
linux-raspi-realtimeAll versions (No fix recorded)
linux-raspi2All versions (No fix recorded)
linux-realtimeAll versions (No fix recorded) | < 5.15.0-1025.28
linux-riscvAll versions (No fix recorded)
linux-riscv-5.11All versions (No fix recorded)
linux-riscv-5.15< 5.15.0-1023.27~20.04.1
linux-riscv-5.19All versions (No fix recorded)
linux-riscv-5.8All versions (No fix recorded)
linux-riscv-6.5All versions (No fix recorded)
linux-starfive-5.19All versions (No fix recorded)
linux-starfive-6.2All versions (No fix recorded)
linux-starfive-6.5All versions (No fix recorded)

Show all 111

Linux2 products

linux≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < 7470a4314b239e9a9580f248fdf4c9a92805490e | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < 09cf99bace7789d91caa8d10fbcfc8b2fb35857f | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < e5b3dd2d92c4511e81f6e4ec9c5bb7ad25e03d13 | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < f5d46f1b47f65da1faf468277b261eb78c8e25b5 | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < 5d8325fd15892c8ab1146edc1d7ed8463de39636 | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < d9b94c3ace549433de8a93eeb27b0391fc8ac406 | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < eb3a4f73f43f839df981dda5859e8e075067a360 | ≥ 59fc630b8b5f9f21c8ce3ba153341c107dce1b0c, < 104212471b1c1817b311771d817fb692af983173 | 4.1
linux_kernel≥ 4.1, < 4.9.326 | ≥ 4.10, < 4.14.291 | ≥ 4.15, < 4.19.256 | ≥ 4.20, < 5.4.211 | ≥ 5.5, < 5.10.138 | ≥ 5.11, < 5.15.63 | ≥ 5.16, < 5.19.4

Debian1 product

linux< 6.0.2-1

3 vendors · 114 products

References

11 links

git.kernel.org/stable/c/7470a4314b239e9a9580f248fdf4c9a92805490eREPORTPatch
git.kernel.org/stable/c/09cf99bace7789d91caa8d10fbcfc8b2fb35857fREPORTPatch
git.kernel.org/stable/c/e5b3dd2d92c4511e81f6e4ec9c5bb7ad25e03d13REPORTPatch
git.kernel.org/stable/c/f5d46f1b47f65da1faf468277b261eb78c8e25b5REPORTPatch
git.kernel.org/stable/c/5d8325fd15892c8ab1146edc1d7ed8463de39636REPORTPatch
git.kernel.org/stable/c/d9b94c3ace549433de8a93eeb27b0391fc8ac406REPORTPatch
git.kernel.org/stable/c/eb3a4f73f43f839df981dda5859e8e075067a360REPORTPatch
git.kernel.org/stable/c/104212471b1c1817b311771d817fb692af983173REPORTPatch
ubuntu.com/security/CVE-2022-50022REPORT
www.cve.org/CVERecord?id=CVE-2022-50022REPORT

Show all 11 references

security-tracker.debian.org/tracker/CVE-2022-50022Advisory